Finding the Fourth Proportional to 2,579.34, 3,560.68 and 1,648.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,579.34 : 3,560.68 = 1,648.38 : x
2. Step 2: Convert to fraction form
   2,579.34/3,560.68 = 1,648.38/x
3. Step 3: Cross multiply
   2,579.34x = 3,560.68 × 1,648.38
4. Step 4: Simplify right side
   2,579.34x = 5,869,353.70
5. Step 5: Solve for x
   x = 5,869,353.70/2,579.34
6. Step 6: Final answer
   x = 2,275.53